1538467378

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{19991}}^1$

素因数の和:20262

約数の個数: 32

約数和(自身を含む): 2763694080

約数和(自身を除く): 1225226702

約数列:

[1, 2, 7, 14, 23, 46, 161, 239, 322, 478, 1673, 3346, 5497, 10994, 19991, 38479, 39982, 76958, 139937, 279874, 459793, 919586, 3218551, 4777849, 6437102, 9555698, 33444943, 66889886, 109890527, 219781054, 769233689, 1538467378]

約数ペア:

[(1, 1538467378), (2, 769233689), (7, 219781054), (14, 109890527), (23, 66889886), (46, 33444943), (161, 9555698), (239, 6437102), (322, 4777849), (478, 3218551), (1673, 919586), (3346, 459793), (5497, 279874), (10994, 139937), (19991, 76958), (38479, 39982)]